text: /*
      das08.h
  
      Header for das08.c and das08_cs.c
  
      Copyright (C) 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
  
      This program is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published by
      the Free Software Foundation; either version 2 of the License, or
      (at your option) any later version.
  
      This program is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU General Public License for more details.
  
      You should have received a copy of the GNU General Public License
      along with this program; if not, write to the Free Software
      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  
  */
  
  #ifndef _DAS08_H
  #define _DAS08_H
  
  enum das08_bustype { isa, pci, pcmcia, pc104 };
  /* different ways ai data is encoded in first two registers */
  enum das08_ai_encoding { das08_encode12, das08_encode16, das08_pcm_encode12 };
  enum das08_lrange { das08_pg_none, das08_bipolar5, das08_pgh, das08_pgl,
  	das08_pgm
  };
  
  struct das08_board_struct {
  	const char *name;
  	unsigned int id;	/*  id for pci/pcmcia boards */
  	enum das08_bustype bustype;
  	void *ai;
  	unsigned int ai_nbits;
  	enum das08_lrange ai_pg;
  	enum das08_ai_encoding ai_encoding;
  	void *ao;
  	unsigned int ao_nbits;
  	void *di;
  	void *do_;
  	unsigned int do_nchan;
  	unsigned int i8255_offset;
  	unsigned int i8254_offset;
  	unsigned int iosize;	/*  number of ioports used */
  };
  
  struct i8254_struct {
  	int channels;		/*  available channels. Some could be used internally. */
  	int logic2phys[3];	/*  to know which physical channel is. */
  	int mode[3];		/*  the index is the real counter. */
  	unsigned int iobase;
  };
  
  #define I8254_CNT0 0
  #define I8254_CNT1 1
  #define I8254_CNT2 2
  #define I8254_CTRL 3
  
  struct das08_private_struct {
  	unsigned int do_mux_bits;	/*  bits for do/mux register on boards without seperate do register */
  	unsigned int do_bits;	/*  bits for do register on boards with register dedicated to digital out only */
  	const unsigned int *pg_gainlist;
  	struct pci_dev *pdev;	/*  struct for pci-das08 */
  	unsigned int pci_iobase;	/*  additional base address for pci-das08 */
  	struct i8254_struct i8254;
  };
  
  #define NUM_DAS08_CS_BOARDS 2
  extern struct das08_board_struct das08_cs_boards[NUM_DAS08_CS_BOARDS];
  
  int das08_common_attach(struct comedi_device *dev, unsigned long iobase);
  int das08_common_detach(struct comedi_device *dev);
  
  #endif /* _DAS08_H */
  